81713639 (number)

81713639 is an odd 8-digits composite number following 81713638 and preceding 81713640. In scientific notation, it is written as 8.1713639 × 10^7. The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors. There are 69826680 positive integers (up to 81713639) that are relatively prime to 81713639.

Interesting facts

Basic properties

Name

Name eighty-one million seven hundred thirteen thousand six hundred thirty-nine

Notation

Scientific notation 8.1713639 × 10^7
Engineering notation 8.1713639 × 10^6

Prime Factorization of 81713639

Prime Factorization 7 × 331 × 35267

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 81713639
Product of the distinct prime numbers

The prime factorization of 81713639 is 7 × 331 × 35267. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81713639)

Multiplication

n×y
n×2 163427278
n×3 245140917
n×4 326854556
n×5 408568195

Division

n÷y
n÷2 40856819.5
n÷3 27237879.666667
n÷3 20428409.75
n÷5 16342727.8

Exponentiation

ny
n2 6677118798622321
n3 5.4561167507074E+23
n4 4.4583915450916E+31
n5 3.6431139723626E+39

Nth Root

y√n
2√n 9039.5596684794
3√n 433.94183106231
4√n 95.076598953052
5√n 38.234807704746

Divisors of 81713639

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81713638
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 1
Returns the nth root of the product of n divisors
H Harmonic Mean 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81713639 can be divided by 8 positive divisors. The sum of these divisors (counting 81713639) is 1, the average is 0.125.

Base conversion 81713639

Base System Value
2 Binary 100110111101101100111100111
3 Ternary 12200202111001002
4 Quaternary 10313231213213
5 Quinary 131404314024
6 Senary 12035223515
8 Octal 467554747
10 Decimal 81713639
12 Duodecimal 23447b9b
16 Hexadecimal 4ded9e7
20 Vigesimal 15ae41j
36 Base36 1cnenb

Cryptographic Hash Functions

md5 3a7e071c8889676e51295c4e3928505a
sha1 185fdb01b3f27c91b2eb7cf629549e49e1644e81
sha256 2a2402608b984f69c15f5683436c5199dbade231874d0daa8f060a1f90889a21
sha512 086efb8e68a5297e19db743b17fbedb2d1fe5543e1868ddae700f66229521ef9d4f8e676a2b7d294373633b323e485203a97ef0960e191a4b6a7ede6c71767c5
ripemd-160 2afc4e03228667b5bdad495536bbf2ecb9abca33

81713639 as geometric shapes

Circle

Radius = n
Diameter 163427278
Circumference 513421935.96098
Area 2.0976787364898E+16

Sphere

Radius = n
Volume 2.2854528401534E+24
Surface area 8.3907149459593E+16
Circumference 513421935.96098

Square

Length = n
Perimeter 326854556
Area 6677118798622321
Diagonal 115560536.50466

Cube

Length = n
Surface area 40062712791733926
Volume 5.4561167507074E+23
Space diagonal 141532174.41934

Equilateral Triangle

Length = n
Perimeter 245140917
Area 2.8912772518468E+15
Altitude 70766087.209671

Triangular Pyramid

Length = n
Surface area 2.8912772518468E+15
Volume 6.4300952556178E+22
Height 38520178.834886